Improve summarize example instructions in README.md

summarize/README.md

@@ -18,7 +18,7 @@ pip install -r requirements.txt
 
 ## Usage
 
-1. Put your API key in the file `my_key`.
+1. Create a file `my_key` and put your API key in the file. For security reasons API Key is necessary. You have to obtain the API Key from the llm.scads.ai team. You can find instructions on https://llm.scads.ai/ .
 2. Then start the script `main.py` from your bash shell and provide a plain text file:
 
 ```bash

summarize/summarize.py

@@ -3,8 +3,13 @@
 import sys
 from openai import OpenAI
 my_api_key = ""
-with open("my_key") as keyfile:
-    my_api_key = keyfile.readline()[:-1]
+try:
+    with open("my_key") as keyfile:
+        my_api_key = keyfile.readline().strip()
+except FileNotFoundError:
+    print("Error: The file 'my_key' was not found. Please make sure the file exists and contains your API key.")
+    exit(1)
+
 
 client = OpenAI(base_url="https://llm.scads.ai/v1",api_key=my_api_key)
 
@@ -43,7 +48,7 @@ response = client.chat.completions.create(
     max_tokens = 2048 # longer answer
 )
 
-# Print the joke
+# Print the summary
 print("""
 Summary:
 """)